"""Optional Tkinter UI (skeleton)."""
import tkinter as tk


class MinimalApp(tk.Tk):
    def __init__(self):
        super().__init__()
        self.title("ZebraNoYield")
        tk.Button(self, text="Select Video").pack()
        tk.Button(self, text="Start").pack()
        self.status = tk.Label(self, text="Idle")
        self.status.pack()

